Abstract

Arylacetylenes, conjugated with electron-withdrawing groups, ArCC(EWG) [EWG = SO2Ph, PO(OEt)2, COMe, CO2Me] in reaction with benzene at room temperature or 130 °C (glass high pressure tube) for 1–10 h under the action of acidic zeolite HUSY (Si /Al ratio is 15) afford products of hydrophenylation of acetylene bond Ar(Ph)C=CH(EWG) in yields of 56–98%.

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